Methods Two-dimensional ultrasound and CDFI were applied on 419 patients with ureterolith.

方法应用二维超及CDFI对419管结石病人进行超检查。

Objective:To observe clinical effect and complications of treating ureterolith through aerodynamic trajectory lithotrity by ureterorenoscope(URS).

观察经管肾镜行气压弹道碎石治管结石的临床效及并发症。